Z-axis geometry upload fix

* adds clamping of 3D geometries to 2D geometries if uploaded using the map importer
* extends tests for payment-document linkage
* fixes bug in team-admin selection where autocomplete could not be resolved properly

konova/tests/test_views.py

@@ -115,6 +115,19 @@ class BaseTestCase(TestCase):
         """
         return f"{prefix}{generate_random_string(3, True)}"
 
+    def create_dummy_document(self, DocumentModel, instance):
+        """ Creates a document db entry which can be used for tests
+
+        """
+        doc = DocumentModel.objects.create(
+            title="TEST_doc",
+            comment="",
+            file=None,
+            date_of_creation="1970-01-01",
+            instance=instance,
+        )
+        return doc
+
     def create_dummy_intervention(self):
         """ Creates an intervention which can be used for tests